Class: CapistranoMulticonfigParallel::TerminalTable

Inherits:
Object
  • Object
show all
Includes:
Celluloid, Celluloid::Logger, Celluloid::Notifications
Defined in:
lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb

Overview

class used to display the progress of each worker on terminal screen using a table rubocop:disable ClassLength

Constant Summary collapse

TOPIC = 
'sshkit_terminal'

Instance Method Summary collapse

Constructor Details

#initialize(manager) ⇒ TerminalTable

Returns a new instance of TerminalTable.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 11

def initialize(manager)
  @manager = manager
  async.run
end

Instance Method Details

#add_job_to_table(table, job_id) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 91

def add_job_to_table(table, job_id)
  details = get_worker_details(job_id)
  row = [{ value: job_id.to_s },
         { value: "#{details['app_name']}\n#{details['env_name']}" },
         { value: details['action_name'] },
         { value: details['env_options'] },
         { value: "#{details['state']}" }
        ]
  if CapistranoMulticonfigParallel.show_task_progress
    row << { value: worker.rake_tasks.size }
    row << { value: worker_progress(worker) }
  end
  table.add_row(row)
  table.add_separator if @manager.jobs.keys.last.to_i != job_id.to_i
end

#get_worker_details(job_id) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 75

def get_worker_details(job_id)
  job = @manager.jobs[job_id]
  processed_job = @manager.process_job(job)
  worker = @manager.get_worker_for_job(job_id)

  {
    'job_id' => job_id,
    'app_name' => processed_job['app_name'],
    'env_name' => processed_job['env_name'],
    'action_name' => worker_action(processed_job),
    'env_options' => worker_env_options(processed_job),
    'task_arguments' => job['task_arguments'],
    'state' => worker_state(worker)
  }
end

#message_valid?(message) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 40

def message_valid?(message)
  message[:type].present? && message[:type] == 'output' || message[:type] == 'event'
end

#notify_time_change(topic, message) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 20

def notify_time_change(topic, message)
  return unless topic == CapistranoMulticonfigParallel::TerminalTable::TOPIC
  default_headings = ['Job ID', 'App/Stage', 'Action', 'ENV Variables', 'Current Task']
  if CapistranoMulticonfigParallel.show_task_progress
    default_headings << 'Total'
    default_headings << 'Progress'
  end
  table = Terminal::Table.new(title: 'Deployment Status Table', headings: default_headings)
  if @manager.jobs.present? && message_valid?(message)
    @manager.jobs.each do |job_id, _job|
      add_job_to_table(table, job_id)
    end
  end
  show_terminal_screen(table)
rescue => ex
  info "Terminal Table  client disconnected due to error #{ex.inspect}"
  info ex.backtrace
  terminate
end

#run ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 16

def run
  subscribe(CapistranoMulticonfigParallel::TerminalTable::TOPIC, :notify_time_change)
end

#show_terminal_screen(table) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 44

def show_terminal_screen(table)
  return unless table.rows.present?
  terminal_clear
  puts "\n"
  #  table.style = { width: 20 }
  puts table
  puts "\n"
  sleep(1)
end

#terminal_clear ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 107

def terminal_clear
  system('cls') || system('clear') || puts("\e[H\e[2J")
end

#worker_action(processed_job) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 71

def worker_action(processed_job)
  processed_job['task_arguments'].present? ? "#{processed_job['action_name']}[#{processed_job['task_arguments'].join(',')}]" : processed_job['action_name']
end

#worker_env_options(processed_job) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 63

def worker_env_options(processed_job)
  worker_optons = ''
  processed_job['env_options'].each do |key, value|
    worker_optons << "#{key}=#{value}\n"
  end
  worker_optons
end

#worker_progress(worker) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 111

def worker_progress(worker)
  tasks = worker.rake_tasks
  current_task = worker.machine.state
  total_tasks = tasks.size
  task_index = tasks.index(current_task)
  progress = Formatador::ProgressBar.new(total_tasks, color: 'green', start: task_index.to_i)
  result = CapistranoMulticonfigParallel::Helper.capture(:stdout) do
    progress.increment
  end
  result = result.gsub("\r\n", '')
  result = result.gsub("\n", '')
  result = result.gsub('|', '#')
  result = result.gsub(/\s+/, ' ')
  if worker.crashed?
    return result.red
  else
    return result.green
  end
end

#worker_state(worker) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/terminal_table.rb', line 54

def worker_state(worker)
  if worker.alive?
    state = worker.machine.state.to_s
    worker.crashed? ? state.red : state.green
  else
    'dead'.upcase.red
  end
end